# RHSA-2020:3341: thunderbird security update

RHSA-2020:3341, released August 6, 2020, fixes 4 CVEs in thunderbird (version 0:68.11.0-1.el8_2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2020-3341
- Platform: Linux
- Released: Aug 6, 2020
- Priority: High (Closes CVE-2020-6463, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2020:3341

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | RHEL 8 | 0:68.11.0-1.el8_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-6463](https://patchblox.com/security/data/cve/CVE-2020-6463.md) | High | firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  This... | 8.8 | 0.0327 |  |
| [CVE-2020-15659](https://patchblox.com/security/data/cve/CVE-2020-15659.md) | High | Firefox ESR and 2 others: Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox… | 8.8 | 0.0239 |  |
| [CVE-2020-6514](https://patchblox.com/security/data/cve/CVE-2020-6514.md) | Routine | chromium-browser-l10n: Inappropriate implementation in WebRTC in Google Chrome prior to 84.0.4147.89 allowed an attacker in a privileged net... | 6.5 | 0.0779 |  |
| [CVE-2020-15652](https://patchblox.com/security/data/cve/CVE-2020-15652.md) | Routine | Firefox ESR and 2 others: By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result… | 6.5 | 0.0126 |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo